User photo upload mangles png October 24, 2008 7:04 AM   Subscribe

What with the buzz regarding user photo greasemonkeying, I have a user photo bug to report.

Forgive me if it's a known issue (search didn't turn up anything). Any attempt to upload a png image results in garbled crap if the png is interlaced. Everything looks fine up until the cropping point, but after crop (even if no crop is needed) it becomes crazily distorted. I thought it might be due to transparent sections in the png but even a nontransparent one failed spectacularly.

My sole attempt to upload a non-interlaced png worked, it wasn't mangled, but colors were inverted and transparent portions of the image turned into psychedelic rainbow oddness.

I gave up and uploaded a gif file.

Photoshop CS3 to make it / FF3 Win to upload it, if it helps.
posted by caution live frogs to Bugs at 7:04 AM (8 comments total)

It could well be Windows, on either the creating or viewing side. I don't remember the exact details, but at work we had a situation with garbled pngs due to some DLL issue. I wish I could remember some more helpful details. Maybe you could create some more and view them from another, non-Windows, computer?
posted by DU at 8:30 AM on October 24, 2008

I confirmed this with a non-interlaced png. After cropping it looked like TV static. We don't have much control over the cropping component, so for the time being I removed png as an option.
posted by pb (staff) at 8:47 AM on October 24, 2008

posted by blue_beetle at 12:07 PM on October 24, 2008

posted by cortex (staff) at 12:40 PM on October 24, 2008

I PNGSORed yer mom.
posted by juv3nal at 2:35 PM on October 24, 2008

Yeah, she said she had to squint to make out your MIME type.
posted by cortex (staff) at 2:38 PM on October 24, 2008 [2 favorites]

So it isn't just me then. Hooray. Thought I was losing it.
posted by caution live frogs at 5:57 AM on October 25, 2008

I really like the photo greasemonkey script. If you disagree, please write a comment. Please?
posted by Foci for Analysis at 3:03 PM on October 25, 2008

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